ZIP code 15640: Sewickley, PA
ZIP code 15640 is in Westmoreland County, Pennsylvania, outside any city or Census-designated place. It is in Pennsylvania's 12th congressional district. Its state senate district is State Senate District 39; its state house district is State House District 58.
See it on the mapAll of Pennsylvania
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Westmoreland County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Sewickley township | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Pennsylvania's 12th congressional district (PA-12) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (PA-12) | Summer L. Lee (D) | 202-225-2135 | 100% |
| U.S. Senator | David McCormick (R) | 202-224-6324 · contact form | statewide |
| U.S. Senator | John Fetterman (D) | 202-224-4254 · contact form | statewide |
| State Senator (State Senate District 39) | Kim Ward (R) | 724-600-7002 | 100% |
| State Representative (State House District 58) | Eric Davanzo (R) | 724-542-0349 | 100% |
Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
Local government
- Westmoreland County website: http://www.co.westmoreland.pa.us
- Westmoreland County laws: search for the Westmoreland County, Pennsylvania code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 39 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 58 | 100% |
Voting precincts
1 voting precinct overlap ZIP 15640. Map them, with each precinct's share of the ZIP's residents.
Get this in your AI agent
Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:15640")
ZIP 15640 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.